package com.atguigu.repservice.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.atguigu.repservice.entity.PayLog;
import com.atguigu.repservice.entity.RepOrder;
import com.atguigu.repservice.mapper.PayLogMapper;
import com.atguigu.repservice.service.PayLogService;
import com.atguigu.repservice.service.RepOrderService;
import com.atguigu.repservice.utils.HttpClient;
import com.atguigu.servicebase.exceptionhandler.GuliException;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author ZhuangLiJiao
 * @since 2021-10-30
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Autowired
    private RepOrderService orderService;

    //生成微信支付二维码接口
    @Override
    public Map createNatvie(String orderId) {
        try {
            //1 根据订单号查询订单信息
            LambdaQueryWrapper<RepOrder> wrapper = new LambdaQueryWrapper<>();
            wrapper.eq(RepOrder::getId, orderId);
            RepOrder order = orderService.getOne(wrapper);

            //2 使用map设置生成二维码需要参数
            Map m = new HashMap();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("body", order.getUserName()); //课程标题
            m.put("out_trade_no", orderId); //订单号
            m.put("total_fee", BigDecimal.valueOf(Double.valueOf(order.getFree())).multiply(new BigDecimal("10")).longValue() + "");
            m.put("spbill_create_ip", "127.0.0.1");
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
            m.put("trade_type", "NATIVE");

            //3 发送httpclient请求，传递参数xml格式，微信支付提供的固定的地址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //设置xml格式的参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            //执行post请求发送
            client.post();

            //4 得到发送请求返回结果
            //返回内容，是使用xml格式返回
            String xml = client.getContent();

            //把xml格式转换map集合，把map集合返回，方便阅读理解
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

            //最终返回数据 的封装
            Map map = new HashMap();
            map.put("out_trade_no", orderId);
            map.put("order_id", order.getId());
            map.put("total_fee", order.getFree());
            map.put("result_code", resultMap.get("result_code"));  //返回二维码操作状态码
            map.put("code_url", resultMap.get("code_url"));        //二维码地址
            return map;
        } catch (Exception e) {
            throw new GuliException(20001, "生成二维码失败");
        }
    }

    //查询订单支付状态
    @Override
    public Map<String, String> queryPayStatus(String orderId) {
        try {
            //1、封装参数
            Map map = new HashMap<>();
            map.put("appid", "wx74862e0dfcf69954");
            map.put("mch_id", "1558950191");
            map.put("out_trade_no", orderId);
            map.put("nonce_str", WXPayUtil.generateNonceStr());

            //2 发送httpclient
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(map, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();

            //3 得到请求返回内容
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            //6、转成Map再返回
            return resultMap;
        } catch (Exception e) {
            return null;
        }
    }

    //添加支付记录和更新订单状态
    @Override
    public void updateOrdersStatus(Map<String, String> map) {
        //从map获取订单号
        String orderId = map.get("orderId");
        //根据订单号查询订单信息
        LambdaQueryWrapper<RepOrder> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(RepOrder::getId, orderId);
        RepOrder order = orderService.getOne(wrapper);

        //更新订单表订单状态
        //如果是已经支付了1
        if (order.getStatus().equals("5")) {
            return;
        }
        order.setStatus("5");//1代表已经支付
        orderService.updateById(order);

        //向支付表添加支付记录
        PayLog payLog = new PayLog();
        payLog.setOrderNo(orderId);  //订单号
        payLog.setPayTime(new Date()); //订单完成时间
        payLog.setPayType(1);//支付类型 1微信
        payLog.setTotalFee(BigDecimal.valueOf(Double.valueOf(order.getFree())));//总金额(分)
        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id")); //流水号
        payLog.setAttr(JSONObject.toJSONString(map));//其他属性
        baseMapper.insert(payLog);
    }
}
